47106421 has 8 divisors (see below), whose sum is σ = 47916000. Its totient is φ = 46303920.

The previous prime is 47106407. The next prime is 47106431. The reversal of 47106421 is 12460174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47106421 - 2¹¹ = 47104373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47106431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12630 + ... + 15928.

It is an arithmetic number, because the mean of its divisors is an integer number (5989500).

Almost surely, 2^47106421 is an apocalyptic number.

It is an amenable number.

47106421 is a deficient number, since it is larger than the sum of its proper divisors (809579).

47106421 is a wasteful number, since it uses less digits than its factorization.

47106421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 47106421 is about 6863.4117609247. The cubic root of 47106421 is about 361.1547820391.

Adding to 47106421 its reverse (12460174), we get a palindrome (59566595).

The spelling of 47106421 in words is "forty-seven million, one hundred six thousand, four hundred twenty-one".